We found this circuit in a magazine 73 from the 90's. It is a circuit indicated for radio-amateur transmitters with the frequencies determined by the sets of coils.
This circuit was obtained in an old US 1974 documentation when Nixie tube displays were common. The...
April 11, 2016 - Mouser Electronics, Inc. is pleased to announce the availability of the new...
This circuit allows to activate a relay in a biestable way using a 555. The pressure switches arm and...